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JULY 2026Technical Data Sheet

A32553Indicator,humidity

Hdt Expeditionary Systems Inc · NSN 6685-00-897-7664 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-897-7664 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-897-7664. Primary manufacturer part number: A32553.
Features
  • Indicator,humidity — FSC 6685
  • 4 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,humidity, cataloged under National Stock Number 6685-00-897-7664, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameIndicator,humidity
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersHdt Expeditionary Systems Inc (CAGE 92878); Keco Industries, Inc. (CAGE 94833); Newport Scientific Inc Hygrodynamic Products Div (CAGE 11877); Drs Environmental Systems Inc (CAGE 5RQL2)
Technical Specifications
ParameterValue
NSN6685-00-897-7664
Primary Part NumberA32553
Item NameIndicator,humidity
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5961-00-938-1135 INTERCHANGEABLE
Semiconductor Device,diode
1375-01-137-1981 INTERCHANGEABLE
Gun Assembly
6515-01-216-49863832 INTERCHANGEABLE
Splint,arm
Weber Orthopedic, L.p. Dba Hely & Weber
Cross-Reference Index
Part NumberManufacturer
A32553 PRIMARY Hdt Expeditionary Systems Inc (USA)
A32553 Keco Industries, Inc. (USA)
15-3000 PRIMARY Newport Scientific Inc Hygrodynamic Products Div (USA)
A32553 Drs Environmental Systems Inc (USA)
Related Parts
5961-00-938-1135INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1375-01-137-1981INTERCHANGEABLE
GUN ASSEMBLY
6515-01-216-4986INTERCHANGEABLE
SPLINT,ARM
3832

Frequently Asked Questions

What is NSN 6685-00-897-7664?

NSN 6685-00-897-7664 is a Indicator,humidity, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-897-7664?

NSN 6685-00-897-7664 has 4 cross-referenced part numbers: A32553 (Hdt Expeditionary Systems Inc), A32553 (Keco Industries, Inc.), 15-3000 (Newport Scientific Inc Hygrodynamic Products Div), A32553 (Drs Environmental Systems Inc).

What NSN replaces 6685-00-897-7664?

There are 3 known substitutes for 6685-00-897-7664: 5961-00-938-1135, 1375-01-137-1981, 6515-01-216-4986. Verify interchangeability with system specifications before substitution.

Is NSN 6685-00-897-7664 still in active supply?

NSN 6685-00-897-7664 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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